Variations in food preference and consumption across the menstrual cycle

Area of Science:

• Reproductive Endocrinology
• Nutritional Science
• Behavioral Psychology

Background:

• Existing research on menstrual cycle-related dietary changes often uses self-reports.
• Previous studies lack differentiation among specific food types consumed.
• Limited objective data exists on taste preferences and actual food intake throughout the menstrual cycle.

Purpose of the Study:

• To objectively measure taste preferences and specific food consumption patterns in women across their menstrual cycle.
• To investigate potential links between hormonal fluctuations and dietary behavior.
• To explore the relationship between mood, restrained eating, and menstrual cycle phase.

Main Methods:

• Laboratory-based study involving direct measurement of food consumption (weighing foods before and after tasting).
• Assessment of taste preference ratings using standardized scales.
• Collection of data on mood, restrained eating, and menstrual symptoms via questionnaires.
• Physical measurements including height and weight.

Main Results:

• Significantly higher consumption and preference ratings for sweet foods during the premenstrual phase.
• No significant differences in consumption or preference for other food types across the cycle.
• No observed differences in mood, obesity, or restrained eating levels throughout the menstrual cycle.
• Lower restraint in eating was correlated with fewer menstrual symptoms and improved mood.

Conclusions:

• Specific taste preferences, particularly for sweets, demonstrably change during the premenstrual phase of the menstrual cycle.
• Endocrinological factors are likely involved in mediating these observed changes in taste preference.
• Dietary changes across the menstrual cycle are more nuanced than previously suggested by self-report data.